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Finding the Fourth Proportional to 25.44, 38.31 and 23.98

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Solution

The fourth proportional to 25.44, 38.31 and 23.98 is: 36.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.44 : 38.31 = 23.98 : x
  2. Step 2: Convert to fraction form
    25.44/38.31 = 23.98/x
  3. Step 3: Cross multiply
    25.44x = 38.31 × 23.98
  4. Step 4: Simplify right side
    25.44x = 918.67
  5. Step 5: Solve for x
    x = 918.67/25.44
  6. Step 6: Final answer
    x = 36.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.